What is the trick to configuring Couenne? I have tried several things, but I cannot get passed this error.<br><br>[magala@orclus71 build]$ ls ThirdParty/HSL/<br>config.log  config.status  dummy.lo  <a href="http://libcoinhsl.la">libcoinhsl.la</a>  Makefile<br>

<br><br><br>Problem size before reformulation: 14247 variables (4729 integer), 9750 constrai                                                               nts.<br>Couenne: reformulation time 16.536s<br>Problem size after  reformulation: 19289 variables (4749 integer), 5021 constrai                                                               nts.<br>

Exception of type: OPTION_INVALID in file &quot;../../../../Ipopt/src/Algorithm/IpAlg                                                               Builder.cpp&quot; at line 275:<br> Exception message: Selected linear solver MA27 not available.<br>

Tried to obtain MA27 from shared library &quot;libhsl.so&quot;, but the following error oc                                                               cured:<br>libhsl.so: cannot open shared object file: No such file or directory<br>

<br>EXIT: Invalid option encountered.<br>Segmentation fault<br>[magala@orclus71 build]$<br><br>